5305-01-090-9077

Find complete technical information, availability, and procurement data for: 5305-01-090-9077
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-090-9077

Item Name Code

16282

Assigment Date

02/27/1980 (46 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

right-hand thread direction, hexagon internal drive style, 1.107 inches minimum and 1.127 inches maximum fastener length, 3a thread class, 0.599 inches minimum and 0.819 inches maximum thread length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.599 inches minimum and 0.819 inches maximum
Fastener Length: 1.107 inches minimum and 1.127 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.156 inches minimum and 0.159 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 180000 pounds per square inch
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Special Features: double lead modified minor dia. threads. item is furnished with one retaining ring ca21089-gr and with one flat beam nut ca2108
Material: steel comp 4140 or steel comp 8740 overall
Material Document And Classification: mil-s-5626 mil spec 1st material response or mil-s-6049 mil spec 2nd material response overall
Surface Treatment: cadmium or chromate overall
Surface Treatment Document And Classification: qq-p-416 ty2 cl2 fed spec single treatment response overall
Thread Series Designator: unf

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
CA21089-4-6HS	Socket Head Cap Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-01-090-9077?

The FSCG of the NSN 5305-01-090-9077 is 5305

Does the NSN 5305-01-090-9077 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-090-9077 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5305-01-090-9077 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-090-9077 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5305-01-090-9077 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Wed, Feb 27, 1980